EVEN for age-defying rock stars, there comes the inevitable swansong. The final curtain of the last performance before shuffling off into some kind of Valhalla-style afterlife, where tales are told of glory days, of the debauchery and excess all areas that is part and parcel of touring. . https://www.heraldscotland.com/news/17261609.retire-from-what-why-paul-mccartney-keeps-on-going/